40344289471806 has 128 divisors (see below), whose sum is σ = 86038015574016. Its totient is φ = 12594918510720.

The previous prime is 40344289471667. The next prime is 40344289471807. The reversal of 40344289471806 is 60817498244304.

40344289471806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40344289471806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40344289471807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 444045075 + ... + 444135921.

It is an arithmetic number, because the mean of its divisors is an integer number (672171996672).

Almost surely, 2^{40344289471806} is an apocalyptic number.

40344289471806 is an abundant number, since it is smaller than the sum of its proper divisors (45693726102210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40344289471806 is a wasteful number, since it uses less digits than its factorization.

40344289471806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91686.

The product of its (nonzero) digits is 37158912, while the sum is 60.

The spelling of 40344289471806 in words is "forty trillion, three hundred forty-four billion, two hundred eighty-nine million, four hundred seventy-one thousand, eight hundred six".